Mercurial > octave

annotate libgui/graphics/SliderControl.cc @ 22417:48c00363dc74

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maint: Use '{ }' for empty function bodies in C++. * Backend.cc, BaseControl.cc, ButtonControl.cc, ButtonGroup.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, ToolBarButton.cc, marker.cc, octave-dock-widget.h, octave-qt-link.cc, shortcut-manager.cc, shortcut-manager.h, Cell.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, oct-prcstrm.cc, octave-link.cc, profiler.cc, pt-jit.cc, sysdep.cc, __init_gnuplot__.cc, ov-fcn-handle.cc, ov.cc, pt-check.cc, CColVector.cc, CMatrix.cc, CSparse.cc, dMatrix.cc, fCColVector.cc, fCMatrix.cc, fMatrix.cc, aepbalance.h, oct-norm.cc, byte-swap.h, cmd-hist.cc, oct-sort.cc: Use '{ }' for empty function bodies in C++.
author Rik <rik@octave.org>
date Thu, 01 Sep 2016 09:33:55 -0700
parents 8758addcf265
children 3a2b891d0b33 e9a0469dedd9
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rev   line source
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1 /*
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2
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3 Copyright (C) 2011-2016 Michael Goffioul
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
21724
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <QScrollBar>
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28
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29 #include "Container.h"
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30 #include "SliderControl.h"
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31 #include "QtHandlesUtils.h"
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32
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33 #define RANGE_INT_MAX 1000000
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34
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35 namespace QtHandles
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36 {
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37
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38 SliderControl*
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39 SliderControl::create (const graphics_object& go)
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40 {
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41 Object* parent = Object::parentObject (go);
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42
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43 if (parent)
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44 {
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45 Container* container = parent->innerContainer ();
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46
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47 if (container)
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48 return new SliderControl (go, new QScrollBar (container));
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49 }
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50
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51 return 0;
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52 }
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53
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54 SliderControl::SliderControl (const graphics_object& go,
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55 QAbstractSlider* slider)
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56 : BaseControl (go, slider), m_blockUpdates (false)
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57 {
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58 uicontrol::properties& up = properties<uicontrol> ();
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59
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60 slider->setTracking (false);
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61 Matrix bb = up.get_boundingbox ();
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62 slider->setOrientation (bb(2) > bb(3) ? Qt::Horizontal : Qt::Vertical);
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63 Matrix steps = up.get_sliderstep ().matrix_value ();
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64 slider->setMinimum (0);
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65 slider->setMaximum (RANGE_INT_MAX);
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66 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX));
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67 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX));
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68 Matrix value = up.get_value ().matrix_value ();
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69 if (value.numel () > 0)
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70 {
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71 double dmin = up.get_min (), dmax = up.get_max ();
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72
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73 slider->setValue (octave::math::round (((value(0) - dmin) / (dmax - dmin))
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74 * RANGE_INT_MAX));
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75 }
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76
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77 connect (slider, SIGNAL (valueChanged (int)), SLOT (valueChanged (int)));
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78 }
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79
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80 SliderControl::~SliderControl (void)
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81 { }
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82
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83 void
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84 SliderControl::update (int pId)
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85 {
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86 uicontrol::properties& up = properties<uicontrol> ();
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87 QScrollBar* slider = qWidget<QScrollBar> ();
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88
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89 switch (pId)
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90 {
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91 case uicontrol::properties::ID_SLIDERSTEP:
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92 {
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93 Matrix steps = up.get_sliderstep ().matrix_value ();
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94
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95 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX));
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96 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX));
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97 }
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98 break;
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99
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100 case uicontrol::properties::ID_VALUE:
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101 {
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102 Matrix value = up.get_value ().matrix_value ();
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103 double dmax = up.get_max (), dmin = up.get_min ();
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104
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105 if (value.numel () > 0)
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106 {
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107 int ival = octave::math::round (((value(0) - dmin) / (dmax - dmin))
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108 * RANGE_INT_MAX);
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109
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110 m_blockUpdates = true;
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111 slider->setValue (ival);
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112 m_blockUpdates = false;
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113 }
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114 }
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115 break;
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116
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117 default:
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118 BaseControl::update (pId);
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119 break;
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120 }
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121 }
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122
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123 void
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124 SliderControl::valueChanged (int ival)
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125 {
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126 if (! m_blockUpdates)
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127 {
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128 gh_manager::auto_lock lock;
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129 graphics_object go = object ();
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130
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131 if (go.valid_object ())
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132 {
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133 uicontrol::properties& up = Utils::properties<uicontrol> (go);
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134
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135 Matrix value = up.get_value ().matrix_value ();
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136 double dmin = up.get_min (), dmax = up.get_max ();
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137
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138 int ival_tmp = (value.numel () > 0 ?
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139 octave::math::round (((value(0) - dmin) / (dmax - dmin))
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140 * RANGE_INT_MAX) :
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141 0);
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parents: 22323
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142
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143 if (ival != ival_tmp || value.numel () > 0)
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144 {
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145 double dval = dmin + (ival * (dmax - dmin) / RANGE_INT_MAX);
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146
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147 gh_manager::post_set (m_handle, "value", octave_value (dval));
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148 gh_manager::post_callback (m_handle, "callback");
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149 }
19967
3cc0734283dc style fixes in Qt graphics code
John W. Eaton <jwe@octave.org>
parents: 18692
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150 }
3cc0734283dc style fixes in Qt graphics code
John W. Eaton <jwe@octave.org>
parents: 18692
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151 }
22411
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152 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
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153
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
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154 }
22411
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parents: 22323
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155